3 years ago

What is the angle what it use

Mathematics

2 answers:

alisha [4.7K]3 years ago

5 0

Add a picture of your question if you can for further help to be offered ! :)

lys-0071 [83]3 years ago

3 0

Answer:

Which angle are you talking about please?

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dimaraw [331]

Answer:

Correlation between x and y is 0.9508

Step-by-step explanation:

We are given the following in the question:

Distance(x): 1 4 6 6 6 7

Days(y): 2 20 29 38 44 50

We have to find the correlation between x and y.

$\sum y = 183\\\sum x=30\\\bar{x} = \displaystyle\frac{\sum x}{n} = \frac{30}{6} = 5\\\\\bar{y} = \displaystyle\frac{\sum y}{n} = \frac{183}{6} = 30.5\\\\(x-\bar{x}) = -4,-1,+1,+1,+1,+2\\(y-\bar{y}) = -28.5,-10.5,-1.5,7.5,13.5,19.5\\\sum (x-\bar{x}) (y-\bar{y}) = 183\\\sum(x-\bar{x})^2 = 24\\\sum(y-\bar{y})^2= 1543.5\\$